Re: [PATCH v5 0/1] i2c: designware: fix probe ordering for AMD GPIO on Lenovo Yoga 7 14AGP11

[Andy Shevchenko <andriy.shevchenko@intel.com>]

On Mon, May 18, 2026 at 05:58:12PM +0530, Hardik Prakash wrote:
> Patch 1/2 (pinctrl-amd GPIO IRQ fix) is already in Linus Walleij's
> tree. This series contains only the i2c-designware probe ordering fix,
> based on top of that commit.
> 
> The root cause: i2c_designware probes AMDI0010:02 before pinctrl-amd
> completes, so GPIO 157 (WACF2200 GpioInt per ACPI _CRS) has its
> interrupt bits cleared when the first I2C transaction is attempted,
> causing lost arbitration errors.
> 
> A higher-level ACPI devlink approach was investigated in response to
> Bartosz Golaszewski's suggestion. The DSDT has no _DEP object linking
> AMDI0010:02 to AMDI0030:00, so fw_devlink has nothing to act on.
> Setting this up at the ACPI layer would require either a firmware
> change to add _DEP, or a DMI quirk in the ACPI scan path — equally
> quirk-based as the current approach.
> 
> v5:
>  - Add blank line before #include <linux/acpi.h> (Bartosz Golaszewski)
>  - Use scoped_guard(device, gpio_dev) (Bartosz Golaszewski)

Too fast, I have a comment in v4, do you have a chance to read it?

-- 
With Best Regards,
Andy Shevchenko